Bluetooth Low Energy Peripheral

FSC-BT630 – Feasycom bluetooth low energy chip.LE Bluetooth 5.0 data-transceiver module.It can work as central mode and peripheral mode at same time.
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Product Details

FSC-BT630 – Feasycom bluetooth low energy chip.LE Bluetooth 5.0 data-transceiver module.It can work as central mode and peripheral mode at same time.FSC-BT630 is capable of the 2 Mbps and the Advertising Extensions features of Bluetooth 5.0 and supports many profiles including ATT, GATT (Server & Client), etc.

Bluetooth modules FSC-BT630 from Feasycom have been well recommened over other modules on the market because of the best PCB size, quality, functionality and price point.


  • Nordic nRF52832 chipset

  • Bluetooth 5.0/4.2/4.1/4.0 support

  • Class 1.5 (signal power up to +4dBm)

  • Profiles including GAP, ATT/GATT, SMP, L2CAP

  • Built-in ceramic chip antenna, external antenna optional

  • Current consumption: 7mA connected, 10mA max

  • Connection status LED indication

  • PIN code security

  • Size: 10×11.9×1.7mm

  • Works with: Android – YES; iOS – YES

FSC-BT630 BLE 5.0 module's Dev boards and PIN diagram:



FSC-DB006-BT630 is a development board consist of FSC-DB006 and FSC-BT630, it also integrates a USB-to-UART chip (CP2104), LEDs, and peripheral circuits. The CP2104 and USB header of FSC-DB006-BT630 provides the ability of plug and play. FSC-DB006-BT630 enables the developers to quickly try out their ideas and efficiently build their prototypes with FSC-BT630.

1.1.1  Host Communication Interface

FSC-BT630’s communication interface with the external Host is UART.

The default UART settings are 115200 bps, 8 data bits, no parity, 1 stop bit.

The UART flow control function of CTS and RTS is available to use.

1.1.2  Bluetooth Default Settings

Device name:  Feasycom

Device name, service UUID are included in the advertising data

No password for BLE

1.1.3  BLE UUIDs

Service UUID:


Notify UUID:


Write or Write without Response UUID:


1.1.4  Throughput Mode and AT-Command Mode

FSC-BT630 works in throughput mode by default.

Throughput mode (when TPMODE=1) means that there would be transparent transmission after Bluetooth connection established. After power on and initialization completed, FSC-BT630 automatically enters AT-command state, then the host MCU can send AT commands to the module. When the module gets connected with another Bluetooth device, it automatically enters throughput state, every byte received from the host MCU will be entirely delivering to remote Bluetooth device without any change, so does the reverse direction. In other words, the FSC-BT630 enters AT-command state when disconnected, enters throughput state when connected.

AT-command mode (when TPMODE=0) means that FSC-BT630 works in AT-command state at any time after power on and initialization completed.

1.1.5  AT Commands Format

Every AT command starts with ‘AT’ and ends with Carriage Return (CR, encoded to 0x0D in the ASCII character set) and Line Feed (LF, encoded to 0x0A in the ASCII character set).

1.1.6  Transmission Speed

When FSC-BT630 runs in high-speed mode at best conditions (distance between Bluetooth devices less than 1m, no barrier exist between Bluetooth devices, etc) and the UART baud rate is 921600 bps, its maximum BLE transmission speed can reach up to 64 kB/s with an iPhone 8 or a Galaxy S8.

For high speed and excellent stability, UART flow control with CTS and RTS is required.

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